TESORO PETROLEUM CORPORATION

                         NOTICE OF GUARANTEED DELIVERY
                 FOR TENDER OF 8% SENIOR SECURED NOTES DUE 2008
                       (PRINCIPAL AMOUNT $1,000 PER NOTE)

     A holder of Tesoro Petroleum Corporation's 8% Senior Secured Notes due 2008
(the "Outstanding Notes") who wishes to tender such Outstanding Notes pursuant
to the exchange offer (the "Exchange Offer") extended by the Prospectus dated
         , 2003 (the "Prospectus") and the Letter of Transmittal accompanying
this Notice of Guaranteed Delivery (the "Letter of Transmittal") must complete
and deliver this form or one substantially equivalent to it under the following
circumstances: (i) certificates representing the Outstanding Notes are not
immediately available, (ii) the Outstanding Notes or other required documents
will not reach the Exchange Agent prior to the Expiration Date (as defined in
the Letter of Transmittal and the Prospectus), or (iii) the appropriate
procedures for book-entry transfer will not be completed prior to the Expiration
Date. This requirement is set forth in the Prospectus in the section entitled
"The Exchange Offer -- Procedures for Tendering" and in the Letter of
Transmittal in Instruction 2. This form may be delivered by hand or sent by
overnight courier, facsimile transmission or registered or certified mail to the
Exchange Agent. The Exchange Agent must receive this form prior to 5:00 p.m.,
New York City time, on          , 2003.

                            To The Bank of New York
                             (the "Exchange Agent")

<Table>
                                             
   By Hand Delivery, Overnight Courier or                 By Facsimile Transmission
        Registered or Certified Mail:                 (for Eligible Institutions Only):
            The Bank of New York                               (212) 298-1915
             Reorganization Unit                         Attention: ________________
         101 Barclay Street - 7 East                           Reorg Unit ____
          New York, New York 10286               To confirm by telephone or for information:
         Attention: ________________                           (212) 815-2742
               Reorg Unit ____
</Table>

DELIVERY OF THIS INSTRUMENT TO AN ADDRESS OR TRANSMISSION TO A FACSIMILE NUMBER
      OTHER THAN AS SET FORTH ABOVE WILL NOT CONSTITUTE A VALID DELIVERY.

THIS NOTICE OF GUARANTEED DELIVERY IS NOT TO BE USED TO GUARANTEE SIGNATURES. IF
   A SIGNATURE ON A LETTER OF TRANSMITTAL IS REQUIRED TO BE GUARANTEED BY AN
"ELIGIBLE INSTITUTION" UNDER THE INSTRUCTIONS THERETO, SUCH SIGNATURE GUARANTEE
    MUST APPEAR IN THE APPLICABLE SPACE PROVIDED IN THE BOX ON THE LETTER OF
                    TRANSMITTAL FOR GUARANTEE OF SIGNATURES.


Ladies and Gentlemen:

     I, the undersigned, hereby tender to Tesoro Petroleum Corporation the
principal amount of the Outstanding Notes listed below, upon the terms of and
subject to the conditions set forth in the Prospectus and the Letter of
Transmittal and the instructions thereto, which I have received, pursuant to the
guaranteed delivery procedures set forth in such Prospectus, as follows:

<Table>
<Caption>
                                           AGGREGATE PRINCIPAL
                                           AMOUNT REPRESENTED                     PRINCIPAL AMOUNT
        CERTIFICATE OR                       BY OUTSTANDING                TENDERED (MUST BE IN INTEGRAL
       REGISTRATION NOS.                         NOTE(S)                        MULTIPLES OF $1,000)
- ----------------------------------------------------------------------------------------------------------
                                                                    

- -------------------------------  ---------------------------------------  --------------------------------


- -------------------------------  ---------------------------------------  --------------------------------


- -------------------------------  ---------------------------------------  --------------------------------


- -------------------------------  ---------------------------------------  --------------------------------
</Table>

     If Outstanding Notes will be tendered by book-entry transfer, provide the
following information:

DTC Account Number:
                   -------------------------------------------------------------

Transaction Code (if available):
                                ------------------------------------------------

Date:
     ---------------------------------------------------------------------------

     All authority herein conferred or agreed to be conferred shall survive the
death or incapacity of the undersigned and every obligation of the undersigned
hereunder shall be binding upon the heirs, personal representatives, successors
and assigns of the undersigned.

                                PLEASE SIGN HERE

X
  ------------------------------------------------------------------------------

X
  ------------------------------------------------------------------------------
                Signature(s) of Owner(s) or Authorized Signatory

Date:
     --------------------------------

Taxpayer Identification Number or Social Security Number:
                                                         -----------------------

Area Code and Telephone Number:
                               -------------------------------------------------

     Must be signed by the holder(s) of the Outstanding Notes as their name(s)
appear(s) on certificates for Outstanding Notes or on a security position
listing, or by person(s) authorized to become registered holder(s) by
endorsement and documents transmitted with this Notice of Guaranteed Delivery.
If signature is by a trustee, executor, administrator, guardian,
attorney-in-fact, officer or other person acting in a fiduciary or
representative capacity, such person must set forth his or her full title below.

                      PLEASE PRINT NAME(S) AND ADDRESS(ES)

Name(s):
        ------------------------------------------------------------------------

Capacity:
         -----------------------------------------------------------------------

Address(es):
            --------------------------------------------------------------------

                THE GUARANTEE ON THE NEXT PAGE MUST BE COMPLETED

                                        2


                             GUARANTEE OF DELIVERY
                    (NOT TO BE USED FOR SIGNATURE GUARANTEE)

     I, the undersigned, a firm or other entity identified as an "eligible
guarantor institution" within the meaning of Rule 17Ad-15 under the Securities
Exchange Act of 1934, as amended, guarantee (a) that the above named person(s)
own(s) the principal amount of 8% Senior Secured Notes due 2008 of Tesoro
Petroleum Corporation (the "Outstanding Notes") tendered hereby within the
meaning of Rule 14e-4 under the Securities Exchange Act of 1934, as amended, (b)
that such tender of such Outstanding Notes complies with Rule 14e-4, and (c)
that I will deliver to the Exchange Agent the certificates representing the
Outstanding Notes tendered hereby or confirmation of book-entry transfer of such
Outstanding Notes into the Exchange Agent's account at The Depository Trust
Company, in proper form for transfer, together with the Letter of Transmittal
(or facsimile thereof), properly completed and duly executed, with any required
signature guarantees and any other required documents, within three (3) business
days after the Expiration Date.

<Table>
                                                  
- --------------------------------------------------------------------------------------------------------


- ---------------------------------------------------  ---------------------------------------------------
                   NAME OF FIRM                                     AUTHORIZED SIGNATURE


- ---------------------------------------------------  ---------------------------------------------------
                      ADDRESS                                               TITLE

                                                     Name
- ---------------------------------------------------       ----------------------------------------------
                     ZIP CODE                                          PLEASE TYPE OR PRINT

                                                     Dated
- ---------------------------------------------------        ---------------------------------------------
               AREA CODE AND TEL. NO

- --------------------------------------------------------------------------------------------------------
</Table>

NOTE: DO NOT SEND CERTIFICATES REPRESENTING OUTSTANDING NOTES WITH THIS FORM.
      CERTIFICATES REPRESENTING OUTSTANDING NOTES SHOULD BE SENT ONLY WITH A
      LETTER OF TRANSMITTAL.

                                        3